Migration & timing
Black Tern in Ontario
There aren't yet enough observations of Black Tern in Ontario to describe its timing with confidence.
Sighting 13 observations in Ontario
Check back as more observations come in, or explore Black Tern across North America.
Black Tern elsewhere
More birds in Ontario
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.